WO2013017003A1 - 吊架装置及具有该吊架装置的环冷机 - Google Patents

吊架装置及具有该吊架装置的环冷机 Download PDF

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Publication number
WO2013017003A1
WO2013017003A1 PCT/CN2012/078357 CN2012078357W WO2013017003A1 WO 2013017003 A1 WO2013017003 A1 WO 2013017003A1 CN 2012078357 W CN2012078357 W CN 2012078357W WO 2013017003 A1 WO2013017003 A1 WO 2013017003A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting member
hanger
threaded
sealing device
type sealing
Prior art date
Application number
PCT/CN2012/078357
Other languages
English (en)
French (fr)
Inventor
高德亮
翟鑫
Original Assignee
中冶长天国际工程有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中冶长天国际工程有限责任公司 filed Critical 中冶长天国际工程有限责任公司
Priority to IN186DEN2014 priority Critical patent/IN2014DN00186A/en
Priority to BR112014001716-6A priority patent/BR112014001716B1/pt
Priority to RU2014100682/02A priority patent/RU2588911C2/ru
Priority to UAA201400651A priority patent/UA108171C2/ru
Publication of WO2013017003A1 publication Critical patent/WO2013017003A1/zh
Priority to ZA2014/00192A priority patent/ZA201400192B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02Cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B21/00Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02Cooling
    • F27D15/0206Cooling with means to convey the charge
    • F27D15/0213Cooling with means to convey the charge comprising a cooling grate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02Cooling
    • F27D15/0206Cooling with means to convey the charge
    • F27D15/0273Cooling with means to convey the charge on a rotary hearth

Definitions

  • the invention relates to the field of iron and steel smelting, and particularly relates to a ring cooler and a hanger device for the door type sealing device. Background technique
  • the ring cooler is used in steel companies to cool sintered high temperature materials.
  • the ring cooler is generally annular in shape and is divided into a cooling zone and a non-cooling zone in the circumferential direction.
  • the ore to be cooled is injected into the ring cooler trolleys from the loading station in the non-cooling zone, and after entering the cooling zone, the ore is cooled by the pressure wind, and then the ring cooler trolleys enter the non-cooling.
  • the discharge station in the area completes the cooling and unloading.
  • FIG. 1 is a schematic view of the overall structure of the ring cooler
  • FIG. 2 is a partial cross-sectional view of the ring cooler of FIG.
  • the cold air is blown into the lower space of the trolley in the cooling zone through the air inlet duct 12, and is forcibly passed through the mineral layer on the rafter 111 from the bottom to the top, and is fully exchanged with the mineral material to form hot flue gas and then discharged.
  • the trolley 11 is turned to the uncooling zone unloading station to complete the unloading operation. Since the air inlet pipe 12 rotates together with the trolley 11, an annular liquid tank 14 and a door type sealing device 15 are provided at the joint between the air inlet pipe 12 and the air inlet pipe 13 to accommodate the air inlet pipe 12 and the inlet pipe 12 The relative circular motion relationship between the wind mains 13.
  • the door type sealing device 15 is connected to the inner side sealing plate 112 of the trolley through the air inlet pipe 12. If the long-term operation, the self-weight of the door type sealing device 15 and the heavy moment acting on the inner sealing plate 112 of the trolley are inevitable. As a result, the inner side sealing plate 112 of the trolley is deformed, thereby affecting the normal operation of the ring cooler 10.
  • FIG. 3 shows a schematic diagram of the assembly relationship of the hanging type mounting mechanism.
  • the door type sealing device 15 is hoisted and mounted by the hanging mounting mechanism 16.
  • the door type sealing device is placed on the bottom plate of the annular liquid tank 14, and after the ring cooler trolley is installed and adjusted, the door type sealing device 15 is passed through the hanging mounting mechanism 16. It is hoisted on the support beam 17 of the ring cooler trolley.
  • the gravity of the sash seal device 15 acts on the support beam 17, and the deformation of the load on the inner side seal plate of the trolley can be completely circumvented.
  • the door type sealing device and the annular liquid tank 14 need to be inspected, that is, the corresponding operation of the hanging type mounting mechanism is required.
  • the support beam of the trolley is higher than the cover of the door type seal device (generally 2m or more), the height of the door seal cover plate to the annular liquid tank floor is about 1.1m, and the adjustment bolt structure 161 is located at a door higher than the ground.
  • the connection position of the seal plate cover and the support beam 17 is at the position. Therefore, a temporary operation frame is required for the above work; at the same time, special personal safety protection facilities are required.
  • the bolt structure 161 and the lower end of the hole plate seat 151 and the hanging plate 162 are required to be removed.
  • the pin 163 of the pin hole 1621 enables the hanging mounting mechanism 16 to be completely disengaged from the support beam 17 and the gate seal 15.
  • the technical problem to be solved by the present invention is to provide a hanger device for a door type sealing device, which greatly improves the operability of the installation adjustment through structural optimization design, and at the same time provides a reliable guarantee for improving the operation safety.
  • the present invention also provides a ring cooler having the hanger device.
  • the present invention provides a hanger device for connecting a door type sealing device and a trolley support beam, the bottom end of the inner and outer annular plates of the door type sealing device having a vertical predetermined distance from the bottom plate of the annular liquid tank,
  • the hanger device includes a hanger fixing member for fixedly connecting with the trolley support beam, and four connecting members arranged in order from top to bottom; wherein an upper end of the first connecting member and the hanger a fixing member is hinged; a first threaded engagement is formed between the second connecting member and the opposite end of the first connecting member; and the third connecting member is nested between the opposite ends of the second connecting member, a vertical relative displacement between the two and a matching lower stop limiting portion; a second threaded engagement between the fourth connecting member and the opposite end of the third connecting member, the fourth connecting member a lower end for articulating with the door type sealing device; and a sum of vertical unscrewing lengths of the first threaded engagement and the second threaded engagement is greater than or equal to the vertical predetermined
  • the lower end of the first connecting member is fixedly provided with an internal thread sleeve
  • the upper end of the second connecting member has an external thread segment forming the first threaded engagement with the internal thread sleeve, the external thread segment
  • the vertical untwisting length is greater than or equal to the vertical predetermined distance.
  • a lock nut is further included to cooperate with the externally threaded section of the second connector below the first connector to limit the relative position between the first connector and the second connector.
  • an upper end of the first connecting member is hinged with the hanger fixing member through a first pin shaft, and the first connecting member below the first pin shaft and the hanger fixing member are screwed tightly Firmware connection.
  • the first pin shaft and the threaded fasteners therebelow are disposed radially.
  • the third connecting member has a stepped through hole that is large and small, and forms a radially extending limiting surface at the variable diameter, and the lower end of the second connecting member has a radially extending limit.
  • a boss the third connecting member is disposed at a lower portion of the second connecting member, and the limiting boss cooperates with the limiting surface to form the lower stopping portion.
  • the lower end of the stepped through hole of the third connecting member has an internally threaded hole section
  • the upper end of the fourth connecting member has an externally threaded section which forms the second threaded engagement with the internally threaded hole section.
  • an upper end surface of the fourth connecting member abuts against a lower end surface of the second connecting member.
  • the fourth connecting member is hinged to the door type sealing device by a second pin shaft disposed along a radial direction of the door type sealing device, and the fourth connecting member is rotatable relative to the second pin shaft Sliding in.
  • the outer peripheral surfaces of the second connecting member and the third connecting member are each provided with a circumferential force applying plane for the wrench.
  • the ring cooler provided by the present invention comprises a door type sealing device, a trolley supporting beam and a hanging mounting mechanism connecting the door type sealing device and the trolley supporting beam, and the hanging mounting mechanism is specifically the hanging as described above Rack device.
  • the present invention has been optimized for a sling-type mounting mechanism for hoisting a door-type sealing device on a trolley support beam of the ring-cooling trolley.
  • the provided pylon device effectively overcomes the deficiencies of the prior art.
  • the hanger device can be fixedly connected to the trolley support beam by the hanger fixing member, and four connecting members are sequentially arranged from top to bottom; when assembling, the opposite ends of the second connecting member and the third connecting member are first nested.
  • the third connecting member is vertically displaceable relative to the second connecting member, and the two are stopped at the lower stopping portion, that is, there is a lower limit of the vertical relative displacement relationship between the two; a second connector is threadedly engaged with the first connector and the third connector and the fourth connector; thereafter, the vertical positional relationship between the fourth connector and the third connector is adjusted by threading to be fourth
  • the connecting member is hinged with the door type sealing device; finally, the vertical relative position between the second connecting member and the first connecting member (and/or the fourth connecting member and the third connecting member) is adjusted by threading to select the door type
  • the sealing device is vertically raised until a vertical predetermined distance between the bottom end of the inner and outer ring plates and the bottom plate of the annular liquid channel.
  • the present invention effectively utilizes a threaded fit to achieve overall length adjustment to accommodate assembly requirements of a door seal.
  • the third connecting member and the fourth connecting member can be disengaged only by rotating the third connecting member while being displaced upward relative to the second connecting member; in this state, the upper structure (the first connection)
  • the piece, the second connecting piece and the third connecting piece can be swung within a certain range relative to the hanger fixing piece, thereby providing sufficient access space.
  • the solution does not need to completely remove the hanger device from the trolley support beam, that is, the door type can be removed without repeatedly disassembling the connection between the hanger device and the trolley profiled beam.
  • the sealing device is lifted out; it has the advantages of reliable structure and easy operation.
  • the corresponding thread adjusting portion is located at the middle and the lower portion of the hanger device, the operating height is lowered, and the operating frame is not required, which provides an effective guarantee for improving the operation safety.
  • the upper end of the first connecting member and the hanger fixing member are radially arranged
  • the first pin shaft is hinged, and the first connecting member below the first pin shaft and the hanger fixing member are connected by a threaded fastener to maintain the first connecting member and the lower member and the hanger fixing member in the working state.
  • the relative position between the two is fixed.
  • the fourth connecting member is hinged to the door type seal by a second pin disposed radially in the radial direction of the door type sealing device, and the fourth connecting member is axially rotatable relative to the second pin shaft Sliding; that is, the axial position between the lower end of the fourth connecting member and the second pin along its length is not fixed and can be relatively slipped.
  • the above sliding margin effectively avoids the roundness deviation of the ring cooler trolley and the radial interference caused by the roundness deviation of the door type sealing cover, and avoids the deformation of the ring cooler trolley under high temperature. Radial compression and pulling of the door seal cover.
  • FIG. 1 is a schematic view showing the overall structure of a ring cooler disclosed in the prior art
  • Figure 2 is a radial cross-sectional view showing a partial cross-sectional view of A_A of the ring cooler shown in Figure 1;
  • Figure 3 is a schematic view showing the assembly relationship of the existing hanging mounting mechanism
  • Figure 4 is a front view of the hanger device of the first embodiment and its assembly relationship, the figure being formed from a radial section of the ring cooler;
  • Figure 5 is a cross-sectional view taken along line B - B of Figure 4.
  • Figure 6 is an enlarged view showing the assembly relationship of the hanger device shown in Figure 5;
  • Figure 7 is an enlarged view of a portion I of Figure 6;
  • Fig. 8 is a front view of the hanger apparatus of the second embodiment and its assembly relationship, which is formed from a radial section of the ring cooler.
  • Door type sealing device 30 inner ring plate 31, outer ring plate 32, cover plate 33, orifice plate holder 331; trolley support beam 40;
  • a hanger device 50 a hanger fixing member 51, an angle steel 511, a connecting plate 512, a first connecting member 52, The body 521, the inner thread sleeve 522, the second connecting member 53, the external thread segment 531, the limiting boss 532, the circumferential force applying surface 533, the lock nut 534, the third connecting member 54, the limiting surface 541, the internal thread a hole segment 542, a circumferential force applying plane 543, a fourth connecting member 55, a male thread segment 551, a first pin shaft 56, a threaded fastener 57, a second pin shaft 58;
  • the annular liquid tank 60 and the annular liquid tank bottom plate 61 are identical to each other.
  • the core of the invention is to provide a hanger device for lifting a door type sealing device on a support beam of a trolley, which effectively adjusts the overall length by using a threaded fit to meet the assembly requirements of the door type sealing device, and has a reliable structure and convenience.
  • the ring cooler of the present embodiment is roughly divided into a high temperature zone I zone, a middle temperature zone zone II, a low temperature zone zone III, and a non-cooling zone zone IV, which constitute the basic functional components of the ring cooler and their positional connection relationship with each other.
  • the prior art is the same, and the related structure can be seen together with FIG. 1 and FIG. It should be noted that the structure and working principle of the main functional components are completely the same as those in the prior art, and those skilled in the art can fully implement the prior art based on the prior art, and thus will not be described herein.
  • FIG. 4 is a front view of the hanger device of the first embodiment and its assembly relationship, which is formed from a radial section of the ring cooler
  • FIG. 5 is a view of FIG. B - B section view.
  • the hanger device 50 connected between the door type sealing device 30 and the carriage support beam 40 is also provided in plurality, which is sequentially disposed along the circumferential direction of the door type sealing device 30, which is a drawing of the cylinder, and only FIG. Two adjacently disposed hanger devices 50. Please refer to FIG. 6, which is an enlarged view of the assembly relationship of the hanger device 50 shown in FIG.
  • the hanger device 50 mainly includes a hanger fixing member 51 for connecting to the bottom surface of the carriage supporting beam 40, and four connecting members disposed in order from the top to the bottom.
  • the hanger fixing member 51 is welded by two radially disposed angle steels 511 and a connecting plate 512 disposed perpendicularly to the angle steel 511, and is fixedly connected to the trolley support beam 40 by a threaded fastener; , the two can also be fixed by welding.
  • the structural connecting member the detachable connection shown in the figure between the hanger fixing member 51 and the trolley supporting beam 40 is more advantageous for assembly and maintenance; in addition, the hanger fixing member 51 can also be realized by other structures.
  • the upper end of the first connecting member 52 is hinged with the hanger fixing member 51 so that the first connecting member 52 can swing within a certain range with respect to the hanger fixing member 51 during the inspection work. As shown in the drawing, the upper end of the first connecting member 52 is hinged to the hanger fixing member 51 via the first pin shaft 56.
  • first threaded engagement between the second connecting member 53 and the opposite end of the first connecting member 52.
  • the first threaded engagement may also be formed in different manners.
  • the first connecting member 52 is provided.
  • the body 521 has a cylindrical shape to effectively control the weight of the entire hanger device 50.
  • the lower end of the first connecting member 52 is fixedly provided with an internal thread sleeve 522, and the upper end of the second connecting member 53 cooperates with the internal thread sleeve 522 forms the first threaded outer threaded section 531.
  • the internal thread and the external thread can also be reversely disposed on the second connecting member 53 and the first connecting member 52 (not shown), and the two can also be realized. Adjustment of the vertical relative positional relationship.
  • the third connecting member 54 is nested between the opposite ends of the second connecting member 53 and vertically displaceable therebetween and has a matching lower stop limiting portion E;
  • the connecting member 54 is vertically displaceable relative to the second connecting member 53, and both of them stop at the lower stop limiting portion E, that is, there is a lower limit of the vertical relative displacement relationship between the two.
  • FIG. 7 Please refer to FIG. 7 together, and this figure is an enlarged view of Part I of FIG. 6.
  • the third connecting member 54 shown in the figure has a cylindrical shape as a whole, has a stepped through hole which is large and small, and forms a radially extending limiting surface 541 at the variable diameter.
  • the lower end of the second connecting member 53 has a radially extending limiting boss 532; the third connecting member 54 is sleeved on the lower portion of the second connecting member 53, and the limiting boss 532 on the second connecting member 53 and the limiting member on the third connecting member 54
  • the surface 541 is matched with the fourth portion to form the lower stop limit portion E, that is, the relative position in the hoisting state.
  • the fourth connecting member 55 and the opposite end of the third connecting member 54 are in a second threaded engagement, and the lower end of the fourth connecting member 55 is used for articulating with the door type sealing device 30; as shown, the fourth connection The member 55 is hinged to the cover 33 of the gantry seal 30 by a second pin 58 disposed radially in the radial direction of the sash seal 30.
  • the adjustment of the vertical relative positional relationship between the two can also be achieved in different ways.
  • the lower end of the stepped through hole of the third connecting member 54 has an internally threaded hole portion 542.
  • the upper end of the fourth connecting member 55 has an externally threaded portion 551 which forms a second threaded engagement with the internally threaded bore portion 542.
  • the sash seal 30 is in an operational state with a vertical predetermined distance L between the inner end of the inner ring plate 31 and the outer ring plate 32 and the bottom plate 61 of the annular liquid groove 60. Since the vertical length of the hanger device 50 needs to be adjusted according to the assembly operation requirements, the door seal device 30 is switched between the initial assembly position and the working position, that is, the length adjustment range of the hanger device 50 should be larger than the door. The seal of the type seal device 30 from the initial installation to the working state. Therefore, the sum of the longitudinal twisting lengths of the first thread fit and the second thread fit is greater than or equal to the vertical predetermined distance L, so that the gate seal 30 can be placed on the annular liquid groove 60.
  • the two threaded engagements are adjusted to complete the positional switching. Obviously, if the positional switching is completed only by the first threaded engagement, the vertical untwisted length of the upper end of the second connecting member 53 is greater than or equal to the length. Vertically predetermined distance L. As shown in Fig.
  • C2 ⁇ L + E; where E is the thickness of the lock nut 534, and L is the working state, the inner ring plate 31 of the door seal, the lower surface of the outer ring plate 32 to the ring
  • E is the thickness of the lock nut 534
  • L is the working state
  • C2 is the distance between the lower end surface of the first connecting member 52 and the lowermost end of the externally threaded portion 531 of the second connecting member 53.
  • each part should also have the following relationship.
  • C is the vertical length of the first connecting member 52
  • C1 is the lower outer thread of the second connecting member 53.
  • the vertical length of the segment, D is the thread length of the internally threaded sleeve 522. That is, when the gate type sealing device 30 is placed on the bottom surface 61 of the annular liquid tank device, the upper threaded portion 531 of the second connecting member 53 should be kept completely engaged with the internal thread of the female threaded sleeve 522 to ensure the working strength.
  • the minimum vertical relative displacement between the third connecting member 54 and the second connecting member 53 should satisfy that both the first connecting member 52 and the fourth connecting member 55 can rotate about their respective hinge points.
  • the above relationship should be expressed as CI >B; wherein B is the vertical length of the third connecting member 54. Degrees, so that the third connecting member 54 can be disengaged from the fourth connecting member 55.
  • a lock nut 534 is provided on the externally threaded portion of the second connecting member 53 below the first connecting member 52.
  • the lock nut 534 is rotated until its upper end surface abuts against the lower end surface of the internally threaded sleeve 522 of the first connecting member 52.
  • the upper end surface of the fourth connecting member 55 and the second connecting member 53 are built in the female threaded hole 542 of the third connecting member 54 as shown.
  • the lower end surface of the limiting boss 532 abuts. Only in this way can the door-type sealing device be prevented from swaying upward when the internal wind pressure is greater than the gravity of the door-type sealing device, causing the door-type sealing device to move up and down due to the fluctuation of the wind pressure.
  • the first connecting member 52 and the hanger fixing member 51 below the first pin shaft 56 disposed radially are provided. It is connected by a radially arranged threaded fastener 57.
  • the above-mentioned vertical two-point fixing manner can prevent the door-type sealing device 30 from rotating under the action of the movement resistance, thereby avoiding the between the inner ring plate 31 and the outer ring plate 32 of the door-type sealing device 30 and the annular liquid groove bottom plate 61.
  • the gap is increased, which affects the stable working state of the liquid sealing device.
  • the structure is small in the running direction of the ring cooler, a sufficient circumferential operation space is formed, which facilitates the inspection operation.
  • the position and number of the threaded fasteners 57 for fastening can be set according to actual needs, as long as they meet the needs of use.
  • the roundness deviation caused by the manufacture and installation of the ring cooler trolley and the door seal device 30 may cause radial interference between the components, and the ring cooler trolley is under high temperature.
  • the deformation also causes radial compression and pulling of the cover of the door seal 30.
  • the fourth connecting member 55 in the present solution is axially slidable relative to the radially disposed second pin shaft 58, that is, the second pin shaft 58 between the orifice plate seats 331 is smaller than the fourth.
  • the size of the connecting member 55 is large, and the difference in size is a sliding margin to facilitate radial displacement therebetween.
  • the outer peripheral surface of the second connecting member 53 is provided with a circumferential force applying surface 533 for the wrench, and the outer peripheral surface of the third connecting member 54 is provided with a circumferential force applying surface 543 for the wrench, which can further improve the operability. .
  • the operation of the initial installation and maintenance process of the hanger device 50 will be described below.
  • the hanger unit 50 is mounted as an integral part.
  • the hanger fixing member 51 of the hanger device 50 is connected to the trolley support beam 40 by a bolt structure; the lock nut 534 is loosened, the second connecting member 53 is screwed, and the overall length of the hanger device 50 is adjusted.
  • the second pin shaft 58 is used to pass through the pin holes of the lower portion of the fourth connecting member 55 and the two hole plate seats. The pin hole on the 331, the basic connection is completed. Twist the second connecting member 53 again, shorten the length of the hanger device 50, lift the door sealing device 30 to the working position, and tighten the lock nut 534 to complete the initial installation.
  • the operator can stand on the platform at the bottom plate 61 of the annular tank.
  • the lock nut 534 is loosened, the second connecting member 53 is screwed, and the overall length of the hanger device 50 is extended to cause the gate seal 30 to fall on the annular liquid tank bottom plate 61.
  • the third connecting member 54 is screwed up, and is pushed up along the second connecting member 53 to be disengaged from the fourth connecting member 55, and the threaded portion of the lower hanger fixing member 51 and the first connecting member 52 is removed.
  • the firmware 57 by rotating the upper member of the hanger device 50, can lift the door seal.
  • the third connecting member 54 is first screwed, the third connecting member 54 is pushed up along the second connecting member 53 to be disengaged from the fourth connecting member 55, and the fourth connecting member 55 is further
  • the two pin shafts 58 are rotated to the side, and the door type sealing device 30 is placed on the annular liquid tank bottom plate 61, so that the door type sealing device 61 can be lifted out (the first connecting member 52, the second connecting member 53, and the third connecting member 54 are still Hanging on the trolley support beam 40), of course, when the repair is completed again, it is only necessary to connect the fourth connecting member 55 and the third connecting member 54.
  • the installed door seal device 30 is placed on the annular liquid tank bottom plate 61, and then the hanger device 50 is rotated to the vertical position, and the second connecting member 53 is turned to adjust the hanger device 50.
  • the overall length is such that the third connecting member 54 can be screwed into the fourth connecting member 55, and the third connecting member 54 is screwed.
  • the hanger fixing member is The threaded fastener 57 at the junction with the first connector 52 is screwed.
  • the second connecting member 53 is screwed, the length of the hanger device 50 is shortened, and after the door type sealing device 30 is lifted to the working position, the lock nut 534 is tightened.
  • the center of gravity of the door type sealing device may deviate from the radial center line of the door type seal cover 33, and at this time, a single set of annularly arranged hanger devices is used. 50, the center line of the hanger device 50 and the center of gravity of the door type sealing device do not completely coincide. Therefore, when the device is installed, the level of the door type seal cover 33 can meet the use requirements, but the door type cannot be used.
  • the seal cover 33 is adjusted in a radial orientation to a full level or a certain level requirement. Further, please refer to Fig. 8, which shows a front view of the hanger device of the second embodiment and its assembly relationship.
  • the present embodiment provides two identical hanger devices 50 in the radial direction on the door seal cover 33, i.e., two sets of inner and outer hanger devices 50 are formed.
  • the two sets of hanger devices 50 are symmetrically disposed on both sides of the radial center line of the door seal cover 33, so that the radial position of the center line of the gate seal must be at two Up and down adjustment is achieved between the hanger devices 50 by means of the two hanger devices 50, and the door-type seal cover plate 33 can be reliably adjusted in a radial orientation to meet the set level requirements.
  • the solution can ensure that the surface of the door seal cover 33 is adjusted to a full level or a certain level requirement in the radial direction, the door seal can be better avoided. Interference with the movement between the tank and the sealing device (eg end seal, seal, etc.) during circumferential operation avoids wear due to interference, even damages the relevant components, and reduces motion resistance.
  • the sealing device eg end seal, seal, etc.
  • the structure of the hanger device 50 in the present embodiment is identical to that of the first embodiment, and the method for adjusting the height of the door type seal cover 33 is the same as that of the single hanger device, and will not be described again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)
  • Refrigerator Housings (AREA)
  • Hinges (AREA)
  • Clamps And Clips (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

一种吊架装置(50)及具有吊架装置(50)的环冷机(10),其中吊架装置(50)包括吊架固定件(51)以及由上至下依次设置的四个连接件(52,53,54,55);第一连接件(52)的上端与吊架固定件(51)铰接;第二连接件(53)与第一连接件(52)的相对端之间为第一螺紋配合;第三连接件(54)与第二连接件(53)的相对端之间嵌套设置,两者之间可竖向相对位移且具有相配合的下止限位部(E);第四连接件(55)与第三连接件(54))的相对端之间为第二螺紋配合,第四连接件(55)的下端用于与门型密封装置(60)铰接;且第一螺紋配合和第二螺紋配合的竖向旋出长度之和大于或等于竖向预定距离(L),第三连接件(54)与第二连接件(53)之间的最小竖向相对位移满足第一连接件(52)和第四连接件(55)均可绕各自的铰点转动。吊架装置(50)的安装调节具有较好的可操作性。

Description

吊架装置及具有该吊架装置的环冷机 本申请要求于 2011 年 07 月 29 日提交中国专利局、 申请号为 201110216706.8、 发明名称为"吊架装置及具有该吊架装置的环冷机"的中 国专利申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及钢铁冶炼领域, 具体涉及一种环冷机及其门型密封装置用 吊架装置。 背景技术
环冷机在钢铁企业中, 用于冷却烧结的高温物料。 环冷机整体呈圆环 形, 沿周向分为冷却区和非冷却区。 运转过程中, 待冷却的矿料自非冷却 区的装料工位注入各环冷机台车, 进入冷却区内后通过压力风对矿料进行 冷却, 而后各环冷机台车进入非冷却区的卸料工位, 完成冷却和卸料。
请参见图 1和图 2, 其中, 图 1为环冷机的整体结构示意图, 图 2为 图 1所示环冷机的 A - A局部剖面图。
工作过程中,冷风经进风管 12吹入冷却区的台车下部空间, 并从下向 上强制穿过篦板 111上的矿料层, 与矿料进行充分热交换形成热烟气后排 出。 之后, 台车 11回转至非冷却区卸料工位, 完成卸料作业。 由于进风管 12随台车 11一并转动, 因此在进风管 12与进风总管 13之间的连接处设 置有环形液槽 14和门型密封装置 15 , 以适应进风管 12与进风总管 13之 间相对的圆周运动关系。
如图 2所示, 门型密封装置 15通过进风管 12与台车内侧密封板 112 连接, 若长期作业, 门型密封装置 15 的自重及其作用于台车内侧密封板 112上重力矩必然导致台车内侧密封板 112产生变形, 进而影响环冷机 10 正常运转。
为避免上述问题的产生, 现有技术针对门型密封装置的安装方式进行 了改进, 具体请参见图 3 , 该图示出了该吊式安装机构的装配关系示意图。
如图 3所示,门型密封装置 15通过吊式安装机构 16实现吊装式安装, 装配时, 首先将环形液槽装置安装固定后, 再把门型密封装置落放在环形 液槽 14的底板上, 待环冷机台车安装调整之后, 通过吊式安装机构 16将 门型密封装置 15吊装于环冷机台车的支承梁 17上。 这样, 门型密封装置 15的重力作用在支承梁 17上, 可完全规避其载荷作用于台车内侧密封板 而产生变形的缺陷。 然而, 环冷机运行一段时间后, 需要对门型密封装置、 环形液槽 14进行检修, 也就是说, 需要对吊式安装机构进行相应的操作。
比如, 由于台车车轮与导轨之间会产生磨损, 致使环冷机台车车轮直 径变小, 支撑轨的轨面下落, 因而门型密封装置盖板也会随之下落, 此状 态下,则需要适度调节螺栓结构 161上螺母以缩短吊式安装机构 16的整体 长度。然而,台车支承梁高出门型密封装置盖板一定距离(一般为 2m以上), 门型密封装置盖板至环形液槽底板高度约 1.1m, 而调节螺栓结构 161位于 离地较高的门型密封装置盖板与支承梁 17的连接位置处。 因此,进行上述 作业时需要搭建临时操作架; 同时, 还需特别配备人身安全防护设施。
再比如, 将门型密封装置吊出进行大型检修时, 要求环冷机台车支承 梁与门型密封装置间没有任何空间障碍, 需要拆卸螺栓结构 161 以及穿过 孔板座 151和吊板 162下端销孔 1621的销轴 163 , 才能实现吊式安装机构 16与支承梁 17和门型密封装置 15完全脱开。
显然, 受其自身结构的限制, 在实际检修维护作业中, 上述方案存在 操作过于繁瑣、 安全性较差的缺陷。 发明内容
针对上述缺陷, 本发明解决的技术问题在于提供一种门型密封装置用 吊架装置, 通过结构优化设计大大提高了其安装调节的可操作性, 同时, 为改善操作安全性提供了可靠的保障。 在此基础上, 本发明还提供一种具 有该吊架装置的环冷机。
本发明提供的吊架装置, 用于连接门型密封装置和台车支承梁, 该门 型密封装置的内、 外环板的底端与环形液槽底板之间具有竖向预定距离, 所述吊架装置包括用于与所述台车支承梁固定连接的吊架固定件, 以及由 上至下依次设置的四个连接件; 其中, 所述第一连接件的上端与所述吊架 固定件铰接; 所述第二连接件与所述第一连接件的相对端之间为第一螺纹 配合; 所述第三连接件与所述第二连接件的相对端之间嵌套设置, 两者之 间可竖向相对位移且具有相配合的下止限位部; 所述第四连接件与所述第 三连接件的相对端之间为第二螺纹配合, 所述第四连接件的下端用于与所 述门型密封装置铰接; 且所述第一螺纹配合和第二螺纹配合的竖向旋出长 度之和大于或等于所述竖向预定距离, 所述第三连接件与第二连接件之间 的最小竖向相对位移满足第一连接件和第四连接件均可绕各自的铰点转 动。
优选地, 所述第一连接件的下端固定设置有内螺纹套, 所述第二连接 件的上端具有与所述内螺纹套形成所述第一螺纹配合的外螺纹段, 所述外 螺纹段的竖向旋出长度大于或等于所述竖向预定距离。
优选地, 还包括锁紧螺母, 与所述第一连接件下方的第二连接件的外 螺纹段配合, 以限制所述第一连接件与第二连接件之间的相对位置。
优选地,所述第一连接件的上端与所述吊架固定件通过第一销轴铰接, 且所述第一销轴下方的所述第一连接件与所述吊架固定件通过螺纹紧固件 连接。
优选地, 所述第一销轴和其下方的螺纹紧固件均沿径向设置。
优选地, 所述第三连接件具有上小下大的阶梯状通孔且在变径处形成 径向伸出的限位面, 所述第二连接件的下端具有径向伸出的限位凸台; 所 述第三连接件套装在所述第二连接件的下部, 且所述限位凸台与所述限位 面相抵配合形成所述下止限位部。
优选地, 所述第三连接件的阶梯通孔的下端具有内螺纹孔段, 所述第 四连接件的上端具有与所述内螺纹孔段形成所述第二螺纹配合的外螺纹 段。
优选地, 所述第四连接件的上端面与所述第二连接件的下端面相抵。 优选地, 所述第四连接件通过沿门型密封装置的径向设置的第二销轴 与所述门型密封装置铰接, 且所述第四连接件可相对于所述第二销轴轴向 滑动。 优选地, 所述第二连接件和第三连接件的外周表面均设置有扳手用的 周向施力平面。
本发明提供的环冷机包括门型密封装置、 台车支承梁以及连接所述门 型密封装置和台车支承梁的吊式安装机构, 所述吊式安装机构具体为如前 所述的吊架装置。
针对将门型密封装置吊装在所述环冷机台车的台车支承梁上的吊式安 装机构, 本发明进行了优化设计, 所提供的吊架装置有效克服了现有技术 所存在的缺陷。 该吊架装置可通过吊架固定件与台车支承梁固定连接, 由 上至下依次设置有四个连接件; 装配时, 首先将第二连接件和第三连接件 的相对端嵌套设置, 第三连接件可相对于第二连接件竖向相对位移, 两者 止动于下止限位部,也就是说, 两者之间竖向相对位移关系存在止动下限; 接下来, 将第二连接件与第一连接件以及第三连接件与第四连接件之间螺 纹配合; 之后, 通过螺纹调节第四连接件与第三连接件之间的竖向位置关 系, 以将第四连接件与门型密封装置之间铰接; 最后, 通过螺纹调节第二 连接件与第一连接件(和 /或第四连接件与第三连接件 )之间的竖向相对位 置, 以将门型密封装置竖向提升直到其内、 外环板的底端与环形液槽底板 之间具有竖向预定距离。
本发明有效利用螺纹配合实现整体长度的调整, 以适应门型密封装置 的装配要求。 当需要进行检修或者维护时, 只需要旋转第三连接件同时相 对于第二连接件向上位移, 就可以将第三连接件与第四连接件脱开; 此状 态下, 上部结构 (第一连接件、 第二连接件和第三连接件)可相对于吊架 固定件一定范围内摆动, 从而提供足够的检修空间。 与现有技术相比, 一 方面, 本方案无需将吊架装置从台车支承梁完全拆卸下来, 也就是说, 不 需要反复拆卸该吊架装置与台车异型梁的联接,即可将门型密封装置吊出; 具有结构可靠、 便于操作的优点。 另外, 由于相应螺纹调节部位位于该吊 架装置的中、 下部, 降低了操作高度, 无需配备操作架, 为提高操作安全 提供了有效保障。
在本发明的优选方案中, 第一连接件的上端与吊架固定件通过径向设 置的第一销轴铰接, 且第一销轴下方的第一连接件与吊架固定件通过螺纹 紧固件连接, 以保持工作状态下第一连接件及其下方构件与吊架固定件之 间的相对位置固定。 相比于现有技术, 上述竖向两点固定方式不仅能够防 止门型密封装置在运动阻力的作用下转动, 而且由于该结构在环冷机运行 方向尺寸很小, 因此不会影响检修操作。
在本发明的另一优选方案中, 第四连接件通过沿门型密封装置的径向 设置的第二销轴与门型密封装置铰接, 且第四连接件可相对于第二销轴的 轴向滑动; 也就是说, 第四连接件的下端与第二销轴之间沿其长度轴向位 置不固定, 可以相对滑移。 如此设置, 上述滑动余量有效避免由环冷机台 车的圆度偏差以及由门型密封盖板的圆度偏差所产生的径向干涉, 同时避 免环冷机台车在高温作用下的变形对门型密封装置盖板产生径向挤压和牽 拉。
附图说明
图 1是现有技术所公开的一种环冷机的整体结构示意图;
图 2为图 1所示环冷机的 A _ A局部剖面图的径向剖视图;
图 3示出了现有吊式安装机构的装配关系示意图;
图 4是第一实施例所述吊架装置的主视图及其装配关系, 该图自环冷 机的径向剖面形成;
图 5是图 4的 B - B剖视图;
图 6是图 5中所示吊架装置的装配关系放大图;
图 7是图 6的 I部放大图;
图 8是第二实施例所述吊架装置的主视图及其装配关系, 该图自环冷 机的径向剖面形成。
图 4至图 8中:
门型密封装置 30、 内环板 31、 外环板 32、 盖板 33、 孔板座 331 ; 台车支承梁 40;
吊架装置 50、 吊架固定件 51、 角钢 511、 连接板 512、 第一连接件 52、 本体 521、 内螺纹套 522、 第二连接件 53、 外螺纹段 531、 限位凸台 532、 周向施力面 533、 锁紧螺母 534、 第三连接件 54、 限位面 541、 内螺纹孔段 542、 周向施力平面 543、 第四连接件 55、 外螺纹段 551、 第一销轴 56、 螺 纹紧固件 57、 第二销轴 58;
环形液槽 60、 环形液槽底板 61。 具体实施方式
本发明的核心是提供一种将门型密封装置吊装在台车支承梁上的吊架 装置, 其有效利用螺纹配合实现整体长度的调整, 以适应门型密封装置的 装配要求, 具有结构可靠、 便于操作的优点; 同时, 为提高操作安全提供 了有效保障。
不失一般性, 下面结合说明书附图具体说明本实施方式。
本文中所涉及的方位词上、 下等方位词是以环冷机的使用状态作为基 准定义的, 应当理解, 所述上、 下等方位词的使用并不限定本申请请求保 护的范围。
本实施方式所述环冷机大致分为高温区 I区、 中温区 II区、 低温区 III 区和非冷却区 IV区,构成环冷机的基本功能部件及其相互之间的位置连接 关系与现有技术相同, 相关结构可一并参见图 1和图 2。 需要说明的是, 其主要功能部件的结构及工作原理与现有技术完全相同, 本领域的技术人 员基于现有技术完全可以实现, 故本文不再赘述。
请参见图 4和图 5 , 其中, 图 4示出了第一实施例所述吊架装置的主 视图及其装配关系, 该图自环冷机的径向剖面形成, 图 5是图 4的 B - B 剖视图。
连接于门型密封装置 30和台车支承梁 40之间的吊架装置 50同样设置 为多个, 沿门型密封装置 30的周向依次设置, 为筒略附图, 图 5中仅示出 两个相邻设置的吊架装置 50。 请一并参见图 6, 该图是图 5中所示吊架装 置 50的装配关系放大图。
该吊架装置 50主要包括用于与台车支承梁 40的底面连接的吊架固定 件 51 , 以及由上至下依次设置的四个连接件。 图中所示,吊架固定件 51由两根径向设置的角钢 511及与角钢 511垂 直设置的连接板 512焊接而成,通过螺纹紧固件将其与台车支承梁 40固定 连接; 当然, 两者之间也可以采用焊接固定。 作为结构连接件, 吊架固定 件 51与台车支承梁 40之间采用图中所示的可拆卸连接, 更利于进行装配 及维护; 此外, 吊架固定件 51也可以采用其他结构实现。
其中, 第一连接件 52的上端与吊架固定件 51铰接, 以便于在检修作 业时第一连接件 52可相对于吊架固定件 51在一定范围内摆动。图中所示, 第一连接件 52的上端与吊架固定件 51通过第一销轴 56铰接。
其中,第二连接件 53与第一连接件 52的相对端之间为第一螺纹配合; 该第一螺纹配合的形成也可以有不同的处理方式, 如图 6所示, 第一连接 件 52的本体 521为圆筒形, 以有效控制整个吊架装置 50的自重; 第一连 接件 52的下端固定设置有内螺纹套 522 , 与其配合的第二连接件 53的上 端具有与该内螺纹套 522形成所述第一螺纹配合的外螺纹段 531。 显然, 对于两者之间的螺纹配合而言, 内螺纹及外螺纹也可以反向设置在第二连 接件 53和第一连接件 52上(图中未示出), 同样可以实现两者之间竖向相 对位置关系的调节。
其中, 第三连接件 54与第二连接件 53的相对端之间嵌套设置, 两者 之间可竖向相对位移且具有相配合的下止限位部 E; 根据调节的需要, 第 三连接件 54可相对于第二连接件 53竖向相对位移, 两者止动于下止限位 部 E, 也就是说, 两者之间竖向相对位移关系存在止动下限。 具体地, 请 一并结合图 7所示, 该图为图 6的 I部放大图。 图中所示的第三连接件 54 整体呈圆筒状, 具有上小下大的阶梯状通孔且在变径处形成径向伸出的限 位面 541 , 第二连接件 53的下端具有径向伸出的限位凸台 532; 该第三连 接件 54套装在第二连接件 53的下部, 且第二连接件 53上的限位凸台 532 与第三连接件 54上的限位面 541相 4氏配合形成该下止限位部 E,即吊装状 态下的相对位置。
其中,第四连接件 55与第三连接件 54的相对端之间为第二螺纹配合, 第四连接件 55的下端用于与门型密封装置 30铰接; 如图所示, 第四连接 件 55通过沿门型密封装置 30的径向设置的第二销轴 58与门型密封装置 30的盖板 33铰接。 同样, 对于第二螺纹配合而言, 也可以采用不同方式 实现两者之间的竖向相对位置关系的调节。本方案中,第三连接件 54的阶 梯通孔的下端具有内螺纹孔段 542, 相应地, 第四连接件 55的上端具有与 内螺纹孔段 542形成第二螺纹配合的外螺纹段 551。
图中所示, 门型密封装置 30位于工作状态, 其内环板 31和外环板 32 的底端与环形液槽 60的底板 61之间具有竖向预定距离 L。 由于吊架装置 50 的竖向长度需要根据装配操作要求进行调整, 以便于门型密封装置 30 在初始装配位置及工作位置之间切换,也就是说, 吊架装置 50的长度调节 范围应大于门型密封装置 30从安装初到工作状态时的行程。 因此,第一螺 纹配合和第二螺纹配合的竖向旋出长度之和大于或等于竖向预定距离 L, 才能够将门型密封装置 30落放在环形液槽 60上。 如此限定的前提是调节 两处螺纹配合完成位置切换, 显然, 若仅通过第一螺纹配合来完成位置切 换的话,则第二连接件 53上端外螺纹段 531的竖向旋出长度大于或等于该 竖向预定距离 L。 结合图 6所示, 上述关系应当表示为 C2≥L+E; 其中, E 为锁紧螺母 534的厚度, L为工作状态时门型密封装置内环板 31、 外环板 32下表面至环形液槽装置底板 61上表面之间的距离, C2为第一连接件 52 的下端面至第二连接件 53的外螺纹段 531的最下端之间的距离。在实际工 况下, 考虑到安装误差等因素的影响, C2的实际尺寸应当比理论值略大。
此外,各零件的竖向尺寸还应当存在以下关系。对第二连接件 53来说, 考虑其极限位置, 应满足: C>C1+C2+D , 其中, C为第一连接件 52的竖 向长度, C1为第二连接件 53下部非外螺纹段的竖向长度, D为内螺纹套 522的螺纹长度。 即, 在门型密封装置 30放置在环形液槽装置底面 61上 时,第二连接件 53上端外螺纹段 531应保持与内螺纹套 522内螺纹完全啮 合, 以确保工作强度。
另外, 前述第三连接件 54与第二连接件 53之间的最小竖向相对位移 应当满足第一连接件 52和第四连接件 55均可绕各自的铰点转动。 结合图 6所示, 上述关系应当表示为 CI > B; 其中, B为第三连接件 54的竖向长 度, 以使第三连接件 54能与第四连接件 55脱开。
进一步地, 为确保第一连接件 52与第二连接件 53之间可靠的竖向相 对位置, 在第一连接件 52下方的第二连接件 53的外螺纹段上设置有锁紧 螺母 534。 当两者之间的竖向相对位置确定后, 旋转锁紧螺母 534直至其 上端面与第一连接件 52上内螺纹套 522的下端面相抵。
另外, 工作时为防止各构件之间产生轴向位移, 如图所示, 内置于第 三连接件 54的内螺纹孔段 542中的第四连接件 55的上端面与第二连接件 53的限位凸台 532的下端面相抵。 只有这样, 才能够防止门型密封装置在 内部风压作用力大于门型密封装置重力时向上窜动, 造成门型密封装置因 风压的波动而忽上忽下的运动。
为确保工作过程中, 门型密封装置 30与台车支承梁 40之间周向位置 相对固定, 本方案在径向设置的第一销轴 56下方的第一连接件 52与吊架 固定件 51通过径向设置的螺纹紧固件 57连接。 上述竖向两点固定方式不 仅能够防止门型密封装置 30在运动阻力的作用下转动,从而可避免门型密 封装置 30的内环板 31和外环板 32与环形液槽底板 61之间的间隙加大, 影响液密封装置稳定的工作状态。 此外, 由于该结构在环冷机运行方向尺 寸很小, 因此形成了足够的周向操作空间, 便于进行检修操作。 当然, 起 紧固作用的螺纹紧固件 57 的设置位置和数量均可以根据实际需要进行设 定, 只要满足使用需要均可。
客观来说,受加工精度的限制,环冷机台车和门型密封装置 30因制造、 安装引起的圆度偏差会产生构件之间的径向干涉, 同时环冷机台车在高温 作用下的变形也会对门型密封装置 30盖板产生径向挤压和牽拉。为降低该 问题产生的影响,本方案中的第四连接件 55可相对于径向设置的第二销轴 58轴向滑动, 即孔板座 331之间的第二销轴 58尺寸比第四连接件 55的尺 寸大, 该尺寸差即为滑动余量, 以便于两者之间径向位移。
如图所示,第二连接件 53的外周表面设置有扳手用的周向施力面 533 , 第三连接件 54的外周表面设置有扳手用周向施力平面 543 , 可进一步提高 可操作性。 下面筒述该吊架装置 50初装及检修过程的操作过程。
初装时, 吊架装置 50作为一个整体部件安装。 首先, 通过螺栓结构将 吊架装置 50的吊架固定件 51与台车支承梁 40连接; 松开锁紧螺母 534 , 拧动第二连接件 53 , 调整吊架装置 50的整体长度, 待第四连接件 55下端 的销孔与门型密封装置盖板 33上孔板座 331的销孔对齐后,使用第二销轴 58穿过第四连接件 55下部的销孔以及两个孔板座 331上的销孔, 至此完 成基本连接。 再次拧动第二连接件 53 , 缩短吊架装置 50的长度, 将门型 密封装置 30抬起至工作位置后, 拧紧锁紧螺母 534, 至此完成初装。
检修时, 当需要拆吊门型密封装置 30时,操作人员可站在环形液槽底 板 61处的走台上操作。 首先松开锁紧螺母 534, 拧动第二连接件 53 , 伸长 吊架装置 50的整体长度, 使门型密封装置 30落置在环形液槽底板 61上。 再拧动第三连接件 54, 将其沿第二连接件 53向上推起, 从而与第四连接 件 55脱开, 拆卸下吊架固定件 51与第一连接件 52相接处的螺纹紧固件 57 , 转动吊架装置 50的上部构件, 即可将门型密封装置吊出。 或者更筒单 的做法, 首先拧动第三连接件 54, 将第三连接件 54沿第二连接件 53向上 推起, 与第四连接件 55脱开,再将第四连接件 55沿第二销轴 58旋转至旁 边, 把门型密封装置 30落置在环形液槽底板 61上, 即可吊出门型密封装 置 61 (第一连接件 52、 第二连接件 53、 第三连接件 54仍然挂在台车支承 梁 40上), 当然, 检修完毕再次安装时, 也只需连接第四连接件 55和第三 连接件 54。
检修后安装时,将检修后的门型密封装置 30吊入放置在环形液槽底板 61上, 接下来转动吊架装置 50到竖直位置, 拧动第二连接件 53 , 调整吊 架装置 50的整体长度, 使第三连接件 54能够与第四连接件 55螺纹啮合, 拧动第三连接件 54, 待第四连接件 55顶住第二连接件 53的下端后, 将吊 架固定件 51与第一连接件 52相接处的螺纹紧固件 57装好旋紧。此时,拧 动第二连接件 53 , 缩短吊架装置 50的长度, 将门型密封装置 30抬起至工 作位置后, 拧紧锁紧螺母 534。
显然,若门型密封装置 30在检修时进行了更换,则在上述安装步骤前, 需将第四连接件 55及连接第四连接件 55和孔板座 331的第二销轴 58拆下, 待第四连接件 55 下端的销孔与新更换的门型密封装置盖板 33 上孔板座 331上的销孔对齐后, 插入第二销轴 58。
实际上, 由于门型密封装置存在制造及安装偏差的累积, 门型密封装 置的重心可能偏离门型密封装置盖板 33的径向中位线,这时,采用单组环 形设置的吊架装置 50, 该吊架装置 50的中心线与门型密封装置的重心线 不会完全重合, 因此, 在设备安装时, 门型密封装置盖板 33的水平度虽然 可以满足使用要求,但无法将门型密封装置盖板 33沿径向方位调整至完全 水平或某一设定水平度要求。 进一步地, 请参见图 8 , 该图示出了第二实 施例所述吊架装置的主视图及其装配关系。
本实施例与第一实施例的区别在于吊架装置的数量和排布方式。 如图 8中所示截面内, 本方案在门型密封装置盖板 33上沿径向设置两个相同的 吊架装置 50, 即形成内、 外两组环形设置的吊架装置 50。 具体地, 沿径向 两组吊架装置 50对称设置在门型密封装置盖板 33的径向中位线的两侧, 这样, 门型密封装置重心线的径向位置一定会处在两个吊架装置 50之间, 借助两个吊架装置 50实现上下调整,能够可靠地实现将门型密封装置盖板 33沿径向方位调整至满足设定水平度要求。
此外, 与第一实施例相比, 由于本方案可确保将门型密封装置盖板 33 面沿径向方位调整到完全水平或某一设定水平度要求, 从而能更好地避免 门型密封装置在沿周向运行过程中与液槽以及密封装置(如: 端部密封体、 密封件等)之间的运动干涉, 避免因干涉产生磨损, 甚至损坏相关部件, 并且减少了运动阻力。
需要明确,本方案中的吊架装置 50结构与第一实施例完全相同,其调 节门型密封装置盖板 33高度的实施方法同单吊架装置所述, 不再赘述。
以上所述仅为本发明的优选实施方式, 并不构成对本发明保护范围的 限定。 任何在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等, 均应包含在本发明的权利要求保护范围之内。

Claims

1、 吊架装置, 用于连接门型密封装置和台车支承梁, 该门型密封装置 的内、外环板的底端与环形液槽底板之间具有竖向预定距离,其特征在于, 包括用于与所述台车支承梁固定连接的吊架固定件, 以及由上至下依次设 置的:
第一连接件, 其上端与所述吊架固定件铰接;
第二连接件, 其与所述第一连接件的相对端之间为第一螺纹配合; 第三连接件, 其与所述第二连接件的相对端之间嵌套设置, 两者之间 可竖向相对位移且具有相配合的下止限位部; 和
第四连接件, 其与所述第三连接件的相对端之间为第二螺纹配合, 所 述第四连接件的下端用于与所述门型密封装置铰接; 且
所述第一螺纹配合和第二螺纹配合的竖向旋出长度之和大于或等于所 述竖向预定距离, 所述第三连接件与第二连接件之间的最小竖向相对位移 满足第一连接件和第四连接件均可绕各自的铰点转动。
2、根据权利要求 1所述的吊架装置, 其特征在于, 所述第一连接件的 下端固定设置有内螺纹套, 所述第二连接件的上端具有与所述内螺纹套形 成所述第一螺纹配合的外螺纹段, 所述外螺纹段的竖向旋出长度大于或等 于所述竖向预定距离。
3、 根据权利要求 2所述的吊架装置, 其特征在于, 还包括锁紧螺母, 与所述第一连接件下方的第二连接件的外螺纹段配合, 以限制所述第一连 接件与第二连接件之间的相对位置。
4、根据权利要求 3所述的吊架装置, 其特征在于, 所述第一连接件的 上端与所述吊架固定件通过第一销轴铰接, 且所述第一销轴下方的所述第 一连接件与所述吊架固定件通过螺纹紧固件连接。
5、根据权利要求 4所述的吊架装置, 其特征在于, 所述第一销轴和其 下方的螺纹紧固件均沿径向设置。
6、根据权利要求 2至 5中任一项所述的吊架装置, 其特征在于, 所述 第三连接件具有上小下大的阶梯状通孔且在变径处形成径向伸出的限位 面, 所述第二连接件的下端具有径向伸出的限位凸台; 所述第三连接件套 装在所述第二连接件的下部, 且所述限位凸台与所述限位面相抵配合形成 所述下止限位部。
7、根据权利要求 6所述的吊架装置, 其特征在于, 所述第三连接件的 阶梯通孔的下端具有内螺纹孔段, 所述第四连接件的上端具有与所述内螺 纹孔段形成所述第二螺纹配合的外螺纹段。
8、根据权利要求 7所述的吊架装置, 其特征在于, 所述第四连接件的 上端面与所述第二连接件的下端面相抵。
9、根据权利要求 8所述的吊架装置, 其特征在于, 所述第四连接件通 过沿门型密封装置的径向设置的第二销轴与所述门型密封装置铰接, 且所 述第四连接件可相对于所述第二销轴轴向滑动。
10、 根据权利要求 6所述的吊架装置, 其特征在于, 所述第二连接件 和第三连接件的外周表面均设置有扳手用的周向施力平面。
11、 环冷机, 包括门型密封装置、 台车支承梁以及连接所述门型密封 装置和台车支承梁的吊式安装机构, 其特征在于, 所述吊式安装机构具体 为权利要求 1至 10中任一项所述的吊架装置。
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